Light after light goes out, including two luminaries from Scotland Yard.

In the midst of the Blitz, a house in Bloomsbury disappears. In York and London, two young girls have been kidnapped. And in Harrogate, a cab horse named Daffodil has gone missing.

Appleby is sent to look into the Daffodil affair, while vice detective Hudspith investigates the cases of human trafficking. But they must work in tandem to piece this mystery together. And they soon find that the links among the disappearances are odder than they could possibly imagine: the house is haunted, one is girl a witch, the other has multiple personalities, and the horse can count. Whoever is behind this is trafficking in marvels.

Appleby and Hudspith pursue their victims deep into the South American jungle where they discover the terrifying sprawl of this bizarre vision. Surrounded by rivers filled with alligators and the swirling mist of the Amazon, the pair are confronted with questions of magic and the supernatural. But when the madman’s machinations turn to the two police officers, Appleby must race against the clock to stop this weird experiment before it costs him his life.

Master mystery writer, Michael Innes, turns his hand to an adventure tale, and sends his Inspector Appleby to the exotic jungle of the Amazon.